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Temperature limitation
Ensure that a control system is fitted and that the AHU is only operated with a supply air tempera-
ture below the allowable maximum (see chapter 1.2.1 Intended use, when not stated otherwise in
the technical data). For this purpose, the continuous monitoring of the supply air must be ensured
on site.
Measures regarding noise attenuation
As a basis for on-site sound measures calculation (such as for sound attenuators) the on request
available sound data can be used. For information regarding the emitted sound power level over the
openings see the technical data sheet, which is available on request – refer to chapter 10 (
Information on airborne noise emitted by the AHUs - on request).
Measures to minimize the risk of water damage or damage caused by similar media
See chapter 4.2.2 (Actions to prevent potential risks).
Connection to an external protective conductor system
See chapter 7.1 (Connecting to an external protective conductor system).
Electric heater
Installation (if not supplied by TRANE) and connection of thermostats for safety shutdown, see
chapter 7.4 (Electric heaters).
Siphons
Connecting according to chapter 6.2 (Drain for condensate and excess water).
Flexible connection
Installations (if not supplied by TRANE) refer to chapter 6.3 (Duct connection – airside connec-
tion to AHU).
Heat exchanger
For all heat exchangers which are connected on-site, irrespective of the medium used (water, water-
glycol mixture) it must be ensured by the customer that the resulting assembly meets the pressure
equipment directive, PED '2014/68 / EU.
Field equipment for roof AHUs
On site mounted field devices for roof AHUs, e.g. damper position motors or pressure switches must
be weather-protected in case of insufficient IP class and - depending on the installation situation -
possibly also protected against icing.
Freeze protection
The customer must ensure sufficient freeze protection measures. See indications in chapters 4.2.1
(Potential risks that may arise at the erection site), 4.2.2 (Actions to prevent potential risks),
6.4 (Freeze protection measures) and 7.5 (Frost protection for plate heat exchanger).
Venting, draining of heat exchangers
See chapter 8.1.2 (Heat exchanger).
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